315434432 has 14 divisors (see below), whose sum is σ = 625940328. Its totient is φ = 157717184.

The previous prime is 315434419. The next prime is 315434467. The reversal of 315434432 is 234434513.

It is a junction number, because it is equal to n+sod(n) for n = 315434395 and 315434404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2464268 + ... + 2464395.

Almost surely, 2^315434432 is an apocalyptic number.

315434432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

315434432 is a deficient number, since it is larger than the sum of its proper divisors (310505896).

315434432 is an equidigital number, since it uses as much as digits as its factorization.

315434432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4928675 (or 4928665 counting only the distinct ones).

The product of its digits is 17280, while the sum is 29.

The square root of 315434432 is about 17760.4738675521. The cubic root of 315434432 is about 680.7218631830.

Adding to 315434432 its reverse (234434513), we get a palindrome (549868945).

The spelling of 315434432 in words is "three hundred fifteen million, four hundred thirty-four thousand, four hundred thirty-two".